The device, trademarked as the Kataka but generically referred to as a Segmented Spindle, is a compact form of linear actuator that uses ... off or saw mainstream use. We wonder if, with more ...

A 12V linear actuator consists of a motor, gearbox, actuator rod, and lead screw. When powered, the motor rotates the gearbox, which drives the lead screw to extend or retract the actuator rod. This ...

The result is a gearless (and very quiet) linear actuator that controls like a stepper motor. While a tubular linear motor is at its heart a pretty straightforward concept, [Jeremy] found very ...